Use a better way to bind slice for slice precheck.

Calling Slice.bindSlice() directly will cause the exception stating that
slices are not pinned, which sometimes leads to crash. Hence, change the
way we bind slices which handles pinSlice() for us before onBindSlice().

Bug: 120552892
Test: robotests, unit tests
Change-Id: I3e65c6b79876dbee5db6f19387bc6b675f734161